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libbpf-rs: Add wrapper for ringbuffer__epoll_fd #254

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Merged
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Jul 28, 2022
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libbpf-rs: Add wrapper for ringbuffer__epoll_fd #254

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7 changes: 7 additions & 0 deletions libbpf-rs/src/ringbuf.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -146,6 +146,13 @@ impl<'a> RingBuffer<'a> {

util::parse_ret(ret)
}

/// Get an fd that can be used to sleep until data is available
pub fn epoll_fd(&self) -> i32 {
assert!(!self.ptr.is_null());

unsafe { libbpf_sys::ring_buffer__epoll_fd(self.ptr) }
}
}

impl<'a> Drop for RingBuffer<'a> {
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